68893020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 248727024

約数和(自身を除く): 179834004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 73, 84, 90, 98, 105, 107, 126, 140, 146, 147, 180, 196, 210, 214, 219, 245, 252, 292, 294, 315, 321, 365, 420, 428, 438, 441, 490, 511, 535, 588, 630, 642, 657, 730, 735, 749, 876, 882, 963, 980, 1022, 1070, 1095, 1260, 1284, 1314, 1460, 1470, 1498, 1533, 1605, 1764, 1926, 2044, 2140, 2190, 2205, 2247, 2555, 2628, 2940, 2996, 3066, 3210, 3285, 3577, 3745, 3852, 4380, 4410, 4494, 4599, 4815, 5110, 5243, 6132, 6420, 6570, 6741, 7154, 7490, 7665, 7811, 8820, 8988, 9198, 9630, 10220, 10486, 10731, 11235, 13140, 13482, 14308, 14980, 15330, 15622, 15729, 17885, 18396, 19260, 20972, 21462, 22470, 22995, 23433, 26215, 26964, 30660, 31244, 31458, 32193, 33705, 35770, 39055, 42924, 44940, 45990, 46866, 47187, 52430, 53655, 54677, 62916, 64386, 67410, 70299, 71540, 78110, 78645, 91980, 93732, 94374, 104860, 107310, 109354, 117165, 128772, 134820, 140598, 156220, 157290, 160965, 164031, 188748, 214620, 218708, 234330, 235935, 273385, 281196, 314580, 321930, 328062, 351495, 382739, 468660, 471870, 492093, 546770, 643860, 656124, 702990, 765478, 820155, 943740, 984186, 1093540, 1148217, 1405980, 1530956, 1640310, 1913695, 1968372, 2296434, 2460465, 3280620, 3444651, 3827390, 4592868, 4920930, 5741085, 6889302, 7654780, 9841860, 11482170, 13778604, 17223255, 22964340, 34446510, 68893020]

約数ペア:

[(1, 68893020), (2, 34446510), (3, 22964340), (4, 17223255), (5, 13778604), (6, 11482170), (7, 9841860), (9, 7654780), (10, 6889302), (12, 5741085), (14, 4920930), (15, 4592868), (18, 3827390), (20, 3444651), (21, 3280620), (28, 2460465), (30, 2296434), (35, 1968372), (36, 1913695), (42, 1640310), (45, 1530956), (49, 1405980), (60, 1148217), (63, 1093540), (70, 984186), (73, 943740), (84, 820155), (90, 765478), (98, 702990), (105, 656124), (107, 643860), (126, 546770), (140, 492093), (146, 471870), (147, 468660), (180, 382739), (196, 351495), (210, 328062), (214, 321930), (219, 314580), (245, 281196), (252, 273385), (292, 235935), (294, 234330), (315, 218708), (321, 214620), (365, 188748), (420, 164031), (428, 160965), (438, 157290), (441, 156220), (490, 140598), (511, 134820), (535, 128772), (588, 117165), (630, 109354), (642, 107310), (657, 104860), (730, 94374), (735, 93732), (749, 91980), (876, 78645), (882, 78110), (963, 71540), (980, 70299), (1022, 67410), (1070, 64386), (1095, 62916), (1260, 54677), (1284, 53655), (1314, 52430), (1460, 47187), (1470, 46866), (1498, 45990), (1533, 44940), (1605, 42924), (1764, 39055), (1926, 35770), (2044, 33705), (2140, 32193), (2190, 31458), (2205, 31244), (2247, 30660), (2555, 26964), (2628, 26215), (2940, 23433), (2996, 22995), (3066, 22470), (3210, 21462), (3285, 20972), (3577, 19260), (3745, 18396), (3852, 17885), (4380, 15729), (4410, 15622), (4494, 15330), (4599, 14980), (4815, 14308), (5110, 13482), (5243, 13140), (6132, 11235), (6420, 10731), (6570, 10486), (6741, 10220), (7154, 9630), (7490, 9198), (7665, 8988), (7811, 8820)]